Lines Matching refs:_pipe
466 self._pipe = pipe
476 self._pipe = None
502 if self._pipe is None:
508 if self._pipe is not None and selector is not None:
515 elif self._pipe is not None:
569 if self._pipe is not None:
571 self._pipe.close()
596 self._pipe.close()
597 self._pipe = None
608 self._pipe = pipe
620 self._pipe = None
644 if self._pipe is None:
650 if self._pipe is not None and selector is not None:
660 elif self._pipe is not None:
747 assert self._pipe
763 if self._pipe is not None and not self._closing:
768 if self._pipe is not None:
770 self._pipe.close()
801 self._pipe.close()
802 self._pipe = None